public class UserInfo
{public Int32 Id { get; set; }public String Name { get; set; }public Byte? Age { get; set; }public Byte? Sex { get; set; }public String Email { get; set; }public String Address { get; set; }public String Remark { get; set; }public Object Test { get; set; } //无意义字段
}

JuggConfig.DefaultDbConCfg = new ConnectionStringSettings { ProviderName = "System.Data.SqlClient", ConnectionString = "server=.;database=Northwind;integrated security=SSPI" };

//简单查询
var list = Jugg.Select<UserInfo>().Query();//查询指定的几个字段
list = Jugg.Select<UserInfo>(x => x.Name).Query();
list = Jugg.Select<UserInfo>(x => new { x.Id, x.Name, x.Email }).Query();//查询的时候，给字段取别名
list = Jugg.Select<UserInfo>(x => new { UserId = x.Id, UserName = x.Name, x.Email }).Query();//带简单where条件
int idParameter = 23;
list = Jugg.Select<UserInfo>().Where(x => x.Id != idParameter).Query();//强大的查询功能，任意组装where条件
int[] aryId = { 1, 2, 3 };
list = Jugg.Select<UserInfo>().Where(x =>x.Id != null &&                          // where Id is not null(x.Age > 18 || x.Email == null) &&       // and ( Age>18 or Email is null )x.Id.ToString().Contains("8") &&         // and Id like '%8%'aryId.Contains(x.Id) &&                  // and Id in (1,2,3)x.Name.StartsWith("张") &&               // and Name like '张%'x.Remark.EndsWith("test") &&             // and Remark like '%test'x.Email.Contains("@qq.com") ||           // and Email like '%@qq.com%'x.Address != null                        // or  Address is not null
                    ).Query();//排序
list = Jugg.Select<UserInfo>().Where(x => x.Id > 0).OrderBy(x => x.Id).Query();
list = Jugg.Select<UserInfo>().Where(x => x.Id > 0).OrderByDesc(x => x.Id).Query();//分页查询
list = Jugg.Select<UserInfo>().Where(x => x.Id != null && (x.Age > 18 || x.Email == null)).GetPage().            //查询第1页，每页记录数读取JuggConfig.PageRecordCount配置的值
            Query();
list = Jugg.Select<UserInfo>().GetPage(5, 80).       //查询第5页，每页80条记录
            Query();//查询某一个范围的记录
list = Jugg.Select<UserInfo>().GetRange(337, 100).       //查询第337~437条记录
            Query();//手写sql查询，支持dynamic映射
List<dynamic> listDynamic = Jugg.Select("select * from UserInfo where Id>99;");
list = Jugg.Select<UserInfo>("select * from UserInfo where Id>99;");listDynamic = Jugg.GetPage("select * from UserInfo where Id>99;");
list = Jugg.GetPage<UserInfo>("select * from UserInfo where Id>99;");listDynamic = Jugg.GetRange("select * from UserInfo where Id>99;");
list = Jugg.GetRange<UserInfo>("select * from UserInfo where Id>99;");//单条记录查询
var u = Jugg.Find<UserInfo>(x => x.Id == 0);
u = Jugg.Single<UserInfo>(x => x.Id == 239);//根据条件判断记录是否存在
bool b = Jugg.Exists<UserInfo>(x => x.Id == 105);//Max 函数返回一列中的最大值。null 值不包括在计算中。
int uid = Jugg.Max<UserInfo>(x => x.Id).Query<int>();//Min 函数返回一列中的最小值。null 值不包括在计算中。
uid = Jugg.Min<UserInfo>(x => x.Id).Where(x => x.Id > 1000).Query<int>();//Avg 函数返回数值列的平均值。null 值不包括在计算中。
int age = Jugg.Avg<UserInfo>(x => x.Age).Query<int>();//Sum 函数返回数值列的总数（总额）。
age = Jugg.Sum<UserInfo>(x => x.Age).Query<int>();//Count(*) 函数返回表中的记录数。
int count = Jugg.Count<UserInfo>().Query<int>();//Count(column_name) 函数返回指定列的值的数目（null 不计入）。
count = Jugg.Count<UserInfo>(x => x.Name).Query<int>();//增删改
int id = Jugg.Insert(new UserInfo { Name = "张三" });//根据传入的对象来新增
id = Jugg.Insert<UserInfo>(x => new { x.Name, x.Age }, "李四", 18);//根据Lambda 表达式，只新增指定的字段int affectedRowsNum = Jugg.Delete(new UserInfo { Id = 668 });//根据传入对象的Id删除
affectedRowsNum = Jugg.Delete<UserInfo>().Where(x => x.Id == 23 && x.Name != null).Execute();//根据where条件删除
affectedRowsNum = Jugg.Delete<UserInfo>().Execute();//全表删除
affectedRowsNum = Jugg.Update(new UserInfo { Id = 569, Name = "张三update" });//根据传入的对象来更新

affectedRowsNum = Jugg.Update<UserInfo>(x => new { x.Name }, "张三").Where(x => x.Id == 23).Execute();//根据Lambda 表达式，只更新指定的字段//通过JuggContext上下文来执行事务
using (JuggContext context = new JuggContext())
{try{context.BeginTransaction();id = context.Insert<UserInfo>(a => new { a.Name, a.Email, a.Age }, "张三", "123456@qq.com", 22);int r1 = context.Update<UserInfo>(x => new { x.Name }, "张三98261571").Where(x => x.Id == id).Execute();int r2 = context.Delete<UserInfo>().Where(a => a.Id == id).Execute();bool r3 = context.Exists<UserInfo>(x => x.Id == id);if (id > 0 && r1 == 1 && r2 == 1 && !r3){context.Commit();}else{context.Rollback();}}catch{context.Rollback();}
}

JuggConfig.Debug = true;//开启调试，默认是未开启//添加类型无效值，用于过滤不必要的字段
JuggConfig.PropertyTypeInvalidValue.Add(typeof(byte), default(byte));
JuggConfig.PropertyTypeInvalidValue.Add(typeof(int), default(int));//public int Age { get; set; }，如果属性值为0，则会被Deft自动忽略

JuggConfig.DefaultPrimaryKeyColumnName = "Id";//设置主键名称，默认是 Id

JuggConfig.DeftDbConStrKeyName = "DeftDbCon";//配置.config文件中connectionStrings的key，Deft会自动去加载，默认是DeftDbCon//硬编码配置数据库连接对象
JuggConfig.DefaultDbConCfg = new ConnectionStringSettings { ProviderName = "System.Data.SqlClient", ConnectionString = "server=.;database=Northwind;integrated security=SSPI" };JuggConfig.PageRecordCount = 50;//设置分页的每页记录数，默认是50

JuggDbHelper.OnDbExecute += OnDbExecute;//数据库执行事件，必须先通过设置JuggConfig.Debug开启调试模式才会起效果，默认是订阅的static void OnDbExecute(DbConnection con, string sql, DbParameterCollection dbParameters)
{//TODO sql日志埋点string dbParamsStr = null;foreach (DbParameter item in dbParameters){dbParamsStr += string.Format("{0}:{1}  ", item.ParameterName, item.Value);}Console.WriteLine(string.Format("{0}{1}{2}{1}", sql, Environment.NewLine, dbParamsStr));
}